Alfred Harrison Joy

Alfred Harrison Joy (September 23, 1882 in Greenville, Illinois – April 18, 1973 in Pasadena, California) was an astronomer best known for his work on stellar distances, the radial motion of stars, and variable stars.

This article is about the astronomer. For the 20th century Arctic explorer, see Alfred Harrison (explorer).

A crater on the Moon has been named in his honor.

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